Melstone, MT Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Melstone, a town in Rosebud County, Montana.
This Afternoon
78°F
Sunny
Sunny, with a high near 78. North wind around 10 mph.
7-day forecast for Melstone
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 10 mph N | 4% |
| Tonight | 53°F | Chance Showers And Thunderstorms | 6 to 10 mph N | 81% |
| Saturday | 61°F | Showers And Thunderstorms | 9 to 14 mph NNE | 96% |
| Saturday Night | 50°F | Showers And Thunderstorms | 10 mph NE | 91% |
| Sunday | 62°F | Rain Showers | 8 mph NE | 85% |
| Sunday Night | 48°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 7 mph E | 19% |
| Monday | 71°F | Partly Sunny | 3 to 9 mph SSE | 1% |
| Monday Night | 48°F | Mostly Clear | 3 to 7 mph SE | 0% |
| Tuesday | 78°F | Mostly Sunny | 5 mph SSW | 0% |
| Tuesday Night | 50°F | Partly Cloudy | 3 mph SE | 2% |
| Wednesday | 79°F | Sunny | 5 mph SW | 5% |
| Wednesday Night | 51°F | Mostly Clear | 3 mph SSE | 2% |
| Thursday | 79°F | Sunny | 6 mph S | 2% |
| Thursday Night | 51°F | Partly Cloudy | 6 mph SE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Melstone (46.599, -107.868). Updated through the day.
Growing snapshot for Melstone
Last spring frost
May 10
First fall frost
Sep 29
Growing season
141 days
Hardiness zone
4b
More local growing data for Melstone: nearby ZIP 59054 weather · frost dates · planting calendar · Montana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Melstone, Mt (6.6 mi from Melstone). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.